An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

This odd little museum holds exhibits on everything from blacksmith equipment to hair jewelry.

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

A repository of Pasadena history.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Over one million bird-related artifacts await.

The rest of him lived another 61 years and was buried elsewhere.

The California capital city once stood 10 feet lower than it does today.

This giant temperature attraction created some giant electric bills.

A remote crossroads honoring a fallen talent.

Experience the "opulence, grace, and grandeur of Eureka's most famous Victorian Inn."

A 1920s speakeasy that had rum runners racing up and down the shores of California.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

This Pringle-shaped ledge makes for the perfect photo op.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

27-room home built with the fortune of a sugar magnate.

The Mighty Wurlitzer organ continues to belt out the tunes at downtown El Segundo's historic home for silent and classic movies.

Hand-crafted tributes to a stray cat named "Room 8" now cover this LA elementary school.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

A tiny survivor of the Donner Party disaster.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

The artwork that Italians felt California didn't deserve.